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So my 2000 4.0 Manual TJ keeps misfiring and getting P020X codes. It all started with intermittent P0206. I started simple with replacing the injectors and coil pack...that worked for a few months. I then replaced the the #6 injector harness. So after plugs, coil pack, #6 injector harness...

Ok...Need some help. I'm getting a p0206 error that won't go away this time. Replaced all 6 fuel injectors last year when it first started. Now the error is firing again. My number 1 harness looked cracked, so I changed both the 1 and 6 injector thinking that would work but no dice...